| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithographic printing original plate for CTP, which is sensible to light in near infrared region, can be dealt with a lighted room, on which drawing can be directly made with a laser beam, the developing and wiping operation of which can be made unnecessary, which is excellent in printability and the exposure sensitivity of which is remarkably improved. <P>SOLUTION: In the lithographic printing original plate having a hydrophilic resin layer directly or through a ground layer on a support, the hydrophilic resin layer includes a hydrophilic polymer, a crosslinker, a photothermic conversion material and a polymer micell made of an amphipathic block polymer consisting of a hydrophilic block and a hydrophobic block. <P>COPYRIGHT: (C)2007,JPO&INPIT |
